CA2772080C - Synthesis of a neurostimulative piperazine - Google Patents
Synthesis of a neurostimulative piperazine Download PDFInfo
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- CA2772080C CA2772080C CA2772080A CA2772080A CA2772080C CA 2772080 C CA2772080 C CA 2772080C CA 2772080 A CA2772080 A CA 2772080A CA 2772080 A CA2772080 A CA 2772080A CA 2772080 C CA2772080 C CA 2772080C
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- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 title abstract description 12
- 238000003786 synthesis reaction Methods 0.000 title abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims description 33
- 125000000217 alkyl group Chemical group 0.000 claims description 26
- 150000003839 salts Chemical class 0.000 claims description 17
- 125000003342 alkenyl group Chemical group 0.000 claims description 13
- 125000003118 aryl group Chemical group 0.000 claims description 11
- 125000006239 protecting group Chemical group 0.000 claims description 10
- 125000004122 cyclic group Chemical group 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 8
- 125000001072 heteroaryl group Chemical group 0.000 claims description 8
- 238000005897 peptide coupling reaction Methods 0.000 claims description 8
- 150000002466 imines Chemical class 0.000 claims description 7
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 125000004446 heteroarylalkyl group Chemical group 0.000 claims description 5
- HDCXQTPVTAIPNZ-UHFFFAOYSA-N n-({[4-(aminosulfonyl)phenyl]amino}carbonyl)-4-methylbenzenesulfonamide Chemical compound C1=CC(C)=CC=C1S(=O)(=O)NC(=O)NC1=CC=C(S(N)(=O)=O)C=C1 HDCXQTPVTAIPNZ-UHFFFAOYSA-N 0.000 claims description 3
- 125000003088 (fluoren-9-ylmethoxy)carbonyl group Chemical group 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 claims description 2
- 125000001475 halogen functional group Chemical group 0.000 claims 3
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 claims 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 abstract description 10
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 abstract description 5
- 229960003512 nicotinic acid Drugs 0.000 abstract description 5
- 235000001968 nicotinic acid Nutrition 0.000 abstract description 5
- 239000011664 nicotinic acid Substances 0.000 abstract description 5
- 230000000926 neurological effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 57
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 42
- 238000004128 high performance liquid chromatography Methods 0.000 description 41
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 40
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 39
- 239000007787 solid Substances 0.000 description 33
- 239000000243 solution Substances 0.000 description 28
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical class CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 22
- BMFVGAAISNGQNM-UHFFFAOYSA-N isopentylamine Chemical compound CC(C)CCN BMFVGAAISNGQNM-UHFFFAOYSA-N 0.000 description 20
- 239000000047 product Substances 0.000 description 19
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 17
- 229940011051 isopropyl acetate Drugs 0.000 description 17
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 17
- 239000002002 slurry Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000002904 solvent Substances 0.000 description 14
- 239000000725 suspension Substances 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 13
- 239000011541 reaction mixture Substances 0.000 description 13
- 239000012065 filter cake Substances 0.000 description 12
- 238000001914 filtration Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 10
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- -1 benzoyl halide Chemical class 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 7
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 7
- 229940073608 benzyl chloride Drugs 0.000 description 7
- 235000011007 phosphoric acid Nutrition 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- IBRSSZOHCGUTHI-UHFFFAOYSA-N 2-chloropyridine-3-carboxylic acid Chemical compound OC(=O)C1=CC=CN=C1Cl IBRSSZOHCGUTHI-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 125000002950 monocyclic group Chemical group 0.000 description 6
- 239000012044 organic layer Substances 0.000 description 6
- CWXPZXBSDSIRCS-UHFFFAOYSA-N tert-butyl piperazine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCNCC1 CWXPZXBSDSIRCS-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 5
- 125000002947 alkylene group Chemical group 0.000 description 5
- 125000002619 bicyclic group Chemical group 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 125000005843 halogen group Chemical group 0.000 description 5
- 239000005457 ice water Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000012317 TBTU Substances 0.000 description 4
- CLZISMQKJZCZDN-UHFFFAOYSA-N [benzotriazol-1-yloxy(dimethylamino)methylidene]-dimethylazanium Chemical compound C1=CC=C2N(OC(N(C)C)=[N+](C)C)N=NC2=C1 CLZISMQKJZCZDN-UHFFFAOYSA-N 0.000 description 4
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 230000004766 neurogenesis Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000010626 work up procedure Methods 0.000 description 4
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 3
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000005574 benzylation reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 150000004885 piperazines Chemical class 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- 101000701363 Homo sapiens Phospholipid-transporting ATPase IC Proteins 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 2
- 102100030448 Phospholipid-transporting ATPase IC Human genes 0.000 description 2
- 229910006124 SOCl2 Inorganic materials 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000012296 anti-solvent Substances 0.000 description 2
- 239000000010 aprotic solvent Substances 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 125000001246 bromo group Chemical group Br* 0.000 description 2
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010511 deprotection reaction Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000001595 flow curve Methods 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- NPZTUJOABDZTLV-UHFFFAOYSA-N hydroxybenzotriazole Substances O=C1C=CC=C2NNN=C12 NPZTUJOABDZTLV-UHFFFAOYSA-N 0.000 description 2
- 125000005647 linker group Chemical group 0.000 description 2
- GTCAXTIRRLKXRU-UHFFFAOYSA-N methyl carbamate Chemical compound COC(N)=O GTCAXTIRRLKXRU-UHFFFAOYSA-N 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- HOGDNTQCSIKEEV-UHFFFAOYSA-N n'-hydroxybutanediamide Chemical compound NC(=O)CCC(=O)NO HOGDNTQCSIKEEV-UHFFFAOYSA-N 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000003586 protic polar solvent Substances 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- ASOKPJOREAFHNY-UHFFFAOYSA-N 1-Hydroxybenzotriazole Chemical compound C1=CC=C2N(O)N=NC2=C1 ASOKPJOREAFHNY-UHFFFAOYSA-N 0.000 description 1
- IQXXEPZFOOTTBA-UHFFFAOYSA-N 1-benzylpiperazine Chemical compound C=1C=CC=CC=1CN1CCNCC1 IQXXEPZFOOTTBA-UHFFFAOYSA-N 0.000 description 1
- MFYSUUPKMDJYPF-UHFFFAOYSA-N 2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-n-phenylbutanamide Chemical compound C=1C=CC=CC=1NC(=O)C(C(=O)C)N=NC1=CC=C(C)C=C1[N+]([O-])=O MFYSUUPKMDJYPF-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 125000004975 3-butenyl group Chemical group C(CC=C)* 0.000 description 1
- NTSFJZORNYYLFW-UHFFFAOYSA-N 4-methylbenzenesulfonyl bromide Chemical class CC1=CC=C(S(Br)(=O)=O)C=C1 NTSFJZORNYYLFW-UHFFFAOYSA-N 0.000 description 1
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- WTTNIUIOJGSISW-UHFFFAOYSA-N CCCN(CCNC(c1cccnc1C)=O)Cc1ccccc1 Chemical compound CCCN(CCNC(c1cccnc1C)=O)Cc1ccccc1 WTTNIUIOJGSISW-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 1
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- 239000012448 Lithium borohydride Substances 0.000 description 1
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- JOCBASBOOFNAJA-UHFFFAOYSA-N N-tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid Chemical compound OCC(CO)(CO)NCCS(O)(=O)=O JOCBASBOOFNAJA-UHFFFAOYSA-N 0.000 description 1
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- 102000001708 Protein Isoforms Human genes 0.000 description 1
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- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 208000030886 Traumatic Brain injury Diseases 0.000 description 1
- PVDVPOZEJCXUAM-UHFFFAOYSA-N acetonitrile;n,n-diethylethanamine Chemical compound CC#N.CCN(CC)CC PVDVPOZEJCXUAM-UHFFFAOYSA-N 0.000 description 1
- 150000001266 acyl halides Chemical class 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
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- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
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- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical class [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 1
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- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000002971 oxazolyl group Chemical group 0.000 description 1
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 208000020431 spinal cord injury Diseases 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
- XBXCNNQPRYLIDE-UHFFFAOYSA-N tert-butylcarbamic acid Chemical compound CC(C)(C)NC(O)=O XBXCNNQPRYLIDE-UHFFFAOYSA-N 0.000 description 1
- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000037 tert-butyldiphenylsilyl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1[Si]([H])([*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000009529 traumatic brain injury Effects 0.000 description 1
- 125000000025 triisopropylsilyl group Chemical group C(C)(C)[Si](C(C)C)(C(C)C)* 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
- C07D213/82—Amides; Imides in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurosurgery (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Neurology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Psychiatry (AREA)
- Hospice & Palliative Care (AREA)
- Epidemiology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23647709P | 2009-08-24 | 2009-08-24 | |
| US61/236,477 | 2009-08-24 | ||
| PCT/US2010/046537 WO2011028548A1 (en) | 2009-08-24 | 2010-08-24 | Synthesis of a neurostimulative piperazine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2772080A1 CA2772080A1 (en) | 2011-03-10 |
| CA2772080C true CA2772080C (en) | 2017-05-30 |
Family
ID=43649584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2772080A Active CA2772080C (en) | 2009-08-24 | 2010-08-24 | Synthesis of a neurostimulative piperazine |
Country Status (23)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN2012DN02370A (US20020095090A1-20020718-M00002.png) * | 2009-08-24 | 2015-08-21 | Neuralstem Inc | |
| EP3497082A4 (en) * | 2016-09-12 | 2020-04-29 | Neuralstem, Inc. | IMPROVING NEURAL DEFICITS RELATED TO DIABETES |
| US20180104240A1 (en) * | 2016-10-18 | 2018-04-19 | Neuralstem, Inc. | Amelioration of radiation-induced cognitive dysfunction |
| US10042957B2 (en) | 2017-01-12 | 2018-08-07 | Innovationdock, Inc. | Devices and methods for implementing dynamic collaborative workflow systems |
| US10413534B2 (en) * | 2017-02-13 | 2019-09-17 | Neuralstem, Inc. | Amelioration of certain deficiencies due to stroke |
| WO2022140643A1 (en) * | 2020-12-23 | 2022-06-30 | Baylor College Of Medicine | Small-molecule modulators of the orphan nuclear receptor tlx |
| EP4346823A2 (en) | 2021-06-03 | 2024-04-10 | Alto Neuroscience, Inc. | Method of treatment of depressed patients with poor cognition and selection of other patients benefiting from a benzylpiperazine-aminopyridine agent |
| WO2024123695A1 (en) | 2022-12-05 | 2024-06-13 | Alto Neuroscience, Inc. | Effective treatment of depression in patients having impaired learning and/or memory or certain eeg characteristics with a benzylpiperazine-aminopyridine agent |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU175075B (hu) * | 1977-06-30 | 1980-05-28 | Egyt Gyogyszervegyeszeti Gyar | Sposob poluchenija piperazidov piridin-karbonovoj kisloty |
| JPS54122283A (en) * | 1978-03-13 | 1979-09-21 | Sumitomo Chem Co Ltd | Novel quinazoline derivative and its preparation |
| US6995162B2 (en) * | 2001-01-12 | 2006-02-07 | Amgen Inc. | Substituted alkylamine derivatives and methods of use |
| ATE450520T1 (de) | 2002-03-29 | 2009-12-15 | Schering Corp | Stereoselektive alkylierung von chirale 2-methyl- 4-geschützte piperazinen |
| GB0222493D0 (en) * | 2002-09-27 | 2002-11-06 | Glaxo Group Ltd | Compounds |
| EP1576134B1 (en) * | 2002-12-09 | 2013-03-06 | Judith Kelleher-Andersson | Method for discovering neurogenic agents |
| PL1663232T3 (pl) * | 2003-09-09 | 2008-05-30 | Hoffmann La Roche | Pochodne 1-(2-aminobenzoilo)piperazyny jako inhibitory wychwytu glicyny do leczenia psychoz |
| US20080027042A1 (en) | 2004-10-29 | 2008-01-31 | Mitsuru Ohkubo | Novel Aminopyridine Derivatives Having Aurora a Selective Inhibitory Action |
| US7754724B2 (en) | 2005-06-30 | 2010-07-13 | Dow Agrosciences Llc | N-substituted piperazines |
| JP2009519986A (ja) | 2005-12-20 | 2009-05-21 | ノバルティス アクチエンゲゼルシャフト | 代謝型グルタミン酸受容体のモジュレーターとしてのニコチン酸誘導体 |
| IN2012DN02370A (US20020095090A1-20020718-M00002.png) * | 2009-08-24 | 2015-08-21 | Neuralstem Inc |
-
2010
- 2010-08-24 IN IN2370DEN2012 patent/IN2012DN02370A/en unknown
- 2010-08-24 ES ES10814260.5T patent/ES2475721T3/es active Active
- 2010-08-24 KR KR1020127007653A patent/KR101701362B1/ko active IP Right Grant
- 2010-08-24 CN CN2010800465155A patent/CN102711764A/zh active Pending
- 2010-08-24 CA CA2772080A patent/CA2772080C/en active Active
- 2010-08-24 PL PL10814260T patent/PL2470182T3/pl unknown
- 2010-08-24 PT PT108142605T patent/PT2470182E/pt unknown
- 2010-08-24 CN CN201511009541.1A patent/CN105693601A/zh active Pending
- 2010-08-24 EP EP10814260.5A patent/EP2470182B1/en active Active
- 2010-08-24 US US13/392,489 patent/US9278933B2/en active Active
- 2010-08-24 RU RU2012111227/04A patent/RU2567390C2/ru not_active IP Right Cessation
- 2010-08-24 AU AU2010289802A patent/AU2010289802C1/en active Active
- 2010-08-24 BR BR112012004161A patent/BR112012004161B1/pt active IP Right Grant
- 2010-08-24 MX MX2012002335A patent/MX2012002335A/es active IP Right Grant
- 2010-08-24 NZ NZ598891A patent/NZ598891A/en not_active IP Right Cessation
- 2010-08-24 SI SI201030669T patent/SI2470182T1/sl unknown
- 2010-08-24 WO PCT/US2010/046537 patent/WO2011028548A1/en active Application Filing
- 2010-08-24 SG SG2012012878A patent/SG178867A1/en unknown
- 2010-08-24 DK DK10814260.5T patent/DK2470182T3/da active
- 2010-08-24 JP JP2012526928A patent/JP5727482B2/ja active Active
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2012
- 2012-02-23 IL IL218298A patent/IL218298A/en active IP Right Grant
- 2012-02-24 CL CL2012000493A patent/CL2012000493A1/es unknown
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- 2013-01-04 HK HK13100159.2A patent/HK1172844A1/xx unknown
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- 2014-06-30 HR HRP20140621AT patent/HRP20140621T1/hr unknown
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2015
- 2015-12-09 US US14/964,397 patent/US9481649B2/en active Active
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